Ziektes en gebreken

Instituto Colombiano Agropecuario presentó plan de control de plagas en cultivo de papa
september 03, 2015
Instituto Colombiano Agropecuario presentó plan de control de plagas en cultivo de papa
El cultivo de papa presenta varias afectaciones que producen perdidas y malestar en los productores; el gusano jiguá, la chiza y algunas clases de polilla. Las heladas en época de invierno también afectan gravemente los cultivos
From the archive
Potato field in Pennsylvania naturally infected with late blight, September 2014. Only surviving plants are Innate™ generation two (Courtesy: J.R. Simplot)
september 01, 2015
USDA Deregulates Second Generation Innate™ GMO Potatoes
The J.R. Simplot Company is pleased that the USDA has deregulated the Russet Burbank variety of the second generation of Innate™ potatoes. Simplot is looking forward to the completion of the EPA registration and FDA consultation before the second generation of Innate™ potatoes can be introduced into the marketplace.
From the archive
Yield and size distribution of the Dutch potato crop mid August 2015 based on sampling among VTA members (Courtesy: VTA)
augustus 31, 2015
Dutch Potato Crop Yield below average according to VTA sampling
In the annual VTA sampling of the development of the Dutch potato crop development, mid August a yield was found 16% lower than last year and 7.1 below the 5 year average.
From the archive
The webcast "Managing Diseases with Biopesticides in Potato Production" will presented by Amanda Gevens, Ph.D., Assistant Professor, Extension Plant Pathologist, University of Wisconsin-Madison
augustus 30, 2015
Focus on Potato Webcast by Amanda Gevens Covers Biopesticide Use
A new 'Focus on Potato' webcast titled “Managing Diseases with Biopesticides in Potato Production” helps growers, consultants, and other practitioners in the potato industry understand the basics of biopesticides and their use in the field.
From the archive
Bintje - a Dutch potato variety bred over a century ago (1904) - is still very popular in the Netherlands and Belgium, especially for the production of French Fries, but its sensitivity to potato diseases is a major concern.
augustus 20, 2015
Durable resistance to Late Blight requires Gene Stacking
Scientific results of the potato field trials in Flanders and the Netherlands demonstrate that gene stacking is necessary for a strong and lasting resistance to late blight (Phytophthora infestans).
From the archive
Late blight (Phytophthora Infestans) lesions on a potato leaf (Courtesy: Jeff Miller, Miller Research LLC)
augustus 17, 2015
Idaho late blight outbreak is the worst since 1998
Late blight has become widespread in Idaho and is called the worst Idaho late blight outbreak since 1998.
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Lydia Tymon, (inset) talks about the best management tactics to prevent resistance in Alternaria species (Early Blight).Main picture shows Early Blight on a potato leaf, clearly showing the typical concentric growth rings.(Courtesy Dept. of Agriculture an
augustus 12, 2015
Focus on Potato Webcast Addresses Fungicide Resistance
The latest Focus on Potato webcast, titled “Best Management Tactics and Fungicide Resistance in Early Blight and Brown Spot” highlights the importance of measures to mitigate fungicide resistance, particularly when applied and repeatedly used on a single site.
From the archive
Shunping Ding (right) was awarded NPC's 2015-16 Academic Scholarship. Her current research focus at the University of Wisconsin-Madison is on enhancing control of potato early blight (left).
augustus 10, 2015
National Potato Council awards 2015/16 academic scholarship
The National Potato Council awards its 2015-16 Academic Scholarship to Shunping Ding, a PhD. student in Plant Pathology at the University of Wisconsin-Madison.
From the archive
Fresh Potatoes
juli 31, 2015
México: Crean plaguicida para atacar presencia de gusano en cultivos de papa
Investigadores del Instituto de Ecología (INECOL) logran disminuir con un plaguicida denominado bionematicida un gusano llamado nematodo dorado, el cual es responsable de la baja producción de papa en México.
From the archive
Kevin Clayton Green (center) - one of five Industry Award recipients - is presented with his award by World Potato Congress Inc. President and CEO, David Thompson (left), and Awards Committee Interim Chair, WPC Vice-President John MacQuarrie (right) duri
juli 29, 2015
Australian potato industry researcher honoured at World Potato Congress
Australian horticulture researcher and industry stalwart Dr Kevin Clayton-Greene has been honoured with a prestigious Industry Recognition Award at the 9th World Potato Congress in Beijing, China.
From the archive
Potato Psyllid
juli 23, 2015
Potatoes New Zealand: Potato Psyllid well under control thanks to research
Potatoes New Zealand chief executive Champak Mehta says the industry now has the potato psyllid well under control thanks to the knowledge gained through research.
From the archive
Bolivia: Se inicia campaña contra el gusano blanco para evitar pérdidas en producción de papa
juli 07, 2015
Bolivia: Se inicia campaña contra el gusano blanco para evitar pérdidas en producción de papa
El municipio de Laja, en coordinación con el Senasag y la Universidad Pública de El Alto, inició la campaña denominada “Recojo del gorgojó de Los Andes”, con el objetivo de disminuir las pérdidas económicas en la producción de papa, ocasionadas por el gusano blanco en esa región del país.
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Colombia: Disponible anticuerpo para el diagnóstico del virus de amarillamiento de nervaduras de papa (PYVV)
juni 22, 2015
Colombia: Disponible anticuerpo para el diagnóstico del virus de amarillamiento de nervaduras de papa (PYVV)
El Instituto de Biotecnología de la Universidad Nacional de Colombia desarrolló recientemente una herramienta para el diagnóstico de la enfermedad. A través de una metodología denominada inmunoimpresión (IMI), la detección viral se realiza empleando un anticuerpo específico de reconocimiento. Ya se encuentra disponible para su venta.
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juni 10, 2015
The Quest to Engineer the Perfect Potato
Researchers in the United Kingdom aim for a new commercial potato that resists many of the worst vulnerabilities of potato crops around the world.
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A potato leaf affected by late blight (Courtesy: Sue Boyetchko, AAFC)
juni 08, 2015
Research: naturally-occurring bacteria may protect potatoes against late blight
A research scientist at Agriculture and Agrifood Canada has discovered that naturally-occurring bacteria in soil may offer protection against late blight (Phytophthora Infestans).
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Cómo controlar el pulgón saltador en la papa
juni 07, 2015
Cómo controlar el pulgón saltador en la papa
La paratrioza o pulgón saltador (Bactericera cockerelli Sulc.) es una plaga que se alimenta de la savia de las plantas hospederas, ocasionando varios tipos de daños. Esta nota ofrece consejos para controlarla.
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España: Crían insectos para tratar de frenar la polilla guatemalteca en la papa
juni 07, 2015
España: Crían insectos para tratar de frenar la polilla guatemalteca en la papa
Desde el Cabildo de Tenerife no descartan que se pudiese producir un aumento de la enfermedad en la presente cosecha, sobre todo si las temperaturas experimentan una subida.
From the archive
Disponible el último número de la Revista Latinoamericana de la Papa.
juni 01, 2015
Disponible el último número de la Revista Latinoamericana de la Papa
Con trabajos de investigación sobre mosca minadora de las hojas (Liriomyza huidobrensis), tizón tardío (Phytophthora infestans), sarna negra (Rhizoctonia solani), marchitamiento y punta (Fusarium solani), bioinsumos y producción de papa.
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